1 files changed, 98 insertions, 0 deletions
diff --git a/3rdparty/Sabre/CalDAV/SharedCalendar.php b/3rdparty/Sabre/CalDAV/SharedCalendar.php
new file mode 100644
index 00000000000..9000697d3ec
--- /dev/null
+++ b/3rdparty/Sabre/CalDAV/SharedCalendar.php
@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * This object represents a CalDAV calendar that is shared by a different user.
+ *
+ * @package Sabre
+ * @subpackage CalDAV
+ * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class Sabre_CalDAV_SharedCalendar extends Sabre_CalDAV_Calendar implements Sabre_CalDAV_ISharedCalendar {
+
+    /**
+     * Constructor
+     *
+     * @param Sabre_DAVACL_IPrincipalBackend $principalBackend
+     * @param Sabre_CalDAV_Backend_BackendInterface $caldavBackend
+     * @param array $calendarInfo
+     */
+    public function __construct(Sabre_DAVACL_IPrincipalBackend $principalBackend, Sabre_CalDAV_Backend_BackendInterface $caldavBackend, $calendarInfo) {
+
+        $required = array(
+            '{http://calendarserver.org/ns/}shared-url',
+            '{http://sabredav.org/ns}owner-principal',
+            '{http://sabredav.org/ns}read-only',
+        );
+        foreach($required as $r) {
+            if (!isset($calendarInfo[$r])) {
+                throw new InvalidArgumentException('The ' . $r . ' property must be specified for SharedCalendar(s)');
+            }
+        }
+
+        parent::__construct($principalBackend, $caldavBackend, $calendarInfo);
+
+    }
+
+    /**
+     * This method should return the url of the owners' copy of the shared
+     * calendar.
+     *
+     * @return string
+     */
+    public function getSharedUrl() {
+
+        return $this->calendarInfo['{http://calendarserver.org/ns/}shared-url'];
+
+    }
+
+    /**
+     * Returns the owner principal
+     *
+     * This must be a url to a principal, or null if there's no owner
+     *
+     * @return string|null
+     */
+    public function getOwner() {
+
+        return $this->calendarInfo['{http://sabredav.org/ns}owner-principal'];
+
+    }
+
+    /**
+     * Returns a list of ACE's for this node.
+     *
+     * Each ACE has the following properties:
+     *   * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
+     *     currently the only supported privileges
+     *   * 'principal', a url to the principal who owns the node
+     *   * 'protected' (optional), indicating that this ACE is not allowed to
+     *      be updated.
+     *
+     * @return array
+     */
+    public function getACL() {
+
+        // The top-level ACL only contains access information for the true
+        // owner of the calendar, so we need to add the information for the
+        // sharee.
+        $acl = parent::getACL();
+        $acl[] = array(
+            'privilege' => '{DAV:}read',
+            'principal' => $this->calendarInfo['principaluri'],
+            'protected' => true,
+        );
+        if (!$this->calendarInfo['{http://sabredav.org/ns}read-only']) {
+            $acl[] = array(
+                'privilege' => '{DAV:}write',
+                'principal' => $this->calendarInfo['principaluri'],
+                'protected' => true,
+            );
+        }
+        return $acl;
+
+    }
+
+
+}